| /* |
| * Support for Sony imx 8MP camera sensor. |
| * |
| * Copyright (c) 2012 Intel Corporation. All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License version |
| * 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| * 02110-1301, USA. |
| * |
| */ |
| #include <asm/intel-mid.h> |
| #include "../../include/linux/atomisp_platform.h" |
| #include <linux/bitops.h> |
| #include <linux/device.h> |
| #include <linux/delay.h> |
| #include <linux/errno.h> |
| #include <linux/fs.h> |
| #include <linux/gpio.h> |
| #include <linux/init.h> |
| #include <linux/i2c.h> |
| #include <linux/io.h> |
| #include <linux/kernel.h> |
| #include "../../include/linux/libmsrlisthelper.h" |
| #include <linux/mm.h> |
| #include <linux/kmod.h> |
| #include <linux/module.h> |
| #include <linux/moduleparam.h> |
| #include <linux/string.h> |
| #include <linux/slab.h> |
| #include <linux/types.h> |
| #include <media/v4l2-ctrls.h> |
| #include <media/v4l2-device.h> |
| #include "imx.h" |
| |
| /* |
| * The imx135 embedded data info: |
| * embedded data line num: 2 |
| * line 0 effective data size(byte): 76 |
| * line 1 effective data size(byte): 113 |
| */ |
| static const uint32_t |
| imx135_embedded_effective_size[IMX135_EMBEDDED_DATA_LINE_NUM] |
| = {76, 113}; |
| |
| static enum atomisp_bayer_order imx_bayer_order_mapping[] = { |
| atomisp_bayer_order_rggb, |
| atomisp_bayer_order_grbg, |
| atomisp_bayer_order_gbrg, |
| atomisp_bayer_order_bggr |
| }; |
| |
| static const unsigned int |
| IMX227_BRACKETING_LUT_FRAME_ENTRY[IMX_MAX_AE_LUT_LENGTH] = { |
| 0x0E10, 0x0E1E, 0x0E2C, 0x0E3A, 0x0E48}; |
| |
| static int |
| imx_read_reg(struct i2c_client *client, u16 len, u16 reg, u16 *val) |
| { |
| struct i2c_msg msg[2]; |
| u16 data[IMX_SHORT_MAX]; |
| int ret, i; |
| int retry = 0; |
| |
| if (len > IMX_BYTE_MAX) { |
| dev_err(&client->dev, "%s error, invalid data length\n", |
| __func__); |
| return -EINVAL; |
| } |
| |
| do { |
| memset(msg, 0 , sizeof(msg)); |
| memset(data, 0 , sizeof(data)); |
| |
| msg[0].addr = client->addr; |
| msg[0].flags = 0; |
| msg[0].len = I2C_MSG_LENGTH; |
| msg[0].buf = (u8 *)data; |
| /* high byte goes first */ |
| data[0] = cpu_to_be16(reg); |
| |
| msg[1].addr = client->addr; |
| msg[1].len = len; |
| msg[1].flags = I2C_M_RD; |
| msg[1].buf = (u8 *)data; |
| |
| ret = i2c_transfer(client->adapter, msg, 2); |
| if (ret != 2) { |
| dev_err(&client->dev, |
| "retrying i2c read from offset 0x%x error %d... %d\n", |
| reg, ret, retry); |
| msleep(20); |
| } |
| } while (ret != 2 && retry++ < I2C_RETRY_COUNT); |
| |
| if (ret != 2) |
| return -EIO; |
| |
| /* high byte comes first */ |
| if (len == IMX_8BIT) { |
| *val = (u8)data[0]; |
| } else { |
| /* 16-bit access is default when len > 1 */ |
| for (i = 0; i < (len >> 1); i++) |
| val[i] = be16_to_cpu(data[i]); |
| } |
| |
| return 0; |
| } |
| |
| static int imx_i2c_write(struct i2c_client *client, u16 len, u8 *data) |
| { |
| struct i2c_msg msg; |
| int ret; |
| int retry = 0; |
| |
| do { |
| msg.addr = client->addr; |
| msg.flags = 0; |
| msg.len = len; |
| msg.buf = data; |
| |
| ret = i2c_transfer(client->adapter, &msg, 1); |
| if (ret != 1) { |
| dev_err(&client->dev, |
| "retrying i2c write transfer... %d\n", retry); |
| msleep(20); |
| } |
| } while (ret != 1 && retry++ < I2C_RETRY_COUNT); |
| |
| return ret == 1 ? 0 : -EIO; |
| } |
| |
| int |
| imx_write_reg(struct i2c_client *client, u16 data_length, u16 reg, u16 val) |
| { |
| int ret; |
| unsigned char data[4] = {0}; |
| u16 *wreg = (u16 *)data; |
| const u16 len = data_length + sizeof(u16); /* 16-bit address + data */ |
| |
| if (data_length != IMX_8BIT && data_length != IMX_16BIT) { |
| v4l2_err(client, "%s error, invalid data_length\n", __func__); |
| return -EINVAL; |
| } |
| |
| /* high byte goes out first */ |
| *wreg = cpu_to_be16(reg); |
| |
| if (data_length == IMX_8BIT) |
| data[2] = (u8)(val); |
| else { |
| /* IMX_16BIT */ |
| u16 *wdata = (u16 *)&data[2]; |
| *wdata = cpu_to_be16(val); |
| } |
| |
| ret = imx_i2c_write(client, len, data); |
| if (ret) |
| dev_err(&client->dev, |
| "write error: wrote 0x%x to offset 0x%x error %d", |
| val, reg, ret); |
| |
| return ret; |
| } |
| |
| /* |
| * imx_write_reg_array - Initializes a list of imx registers |
| * @client: i2c driver client structure |
| * @reglist: list of registers to be written |
| * |
| * This function initializes a list of registers. When consecutive addresses |
| * are found in a row on the list, this function creates a buffer and sends |
| * consecutive data in a single i2c_transfer(). |
| * |
| * __imx_flush_reg_array, __imx_buf_reg_array() and |
| * __imx_write_reg_is_consecutive() are internal functions to |
| * imx_write_reg_array_fast() and should be not used anywhere else. |
| * |
| */ |
| |
| static int __imx_flush_reg_array(struct i2c_client *client, |
| struct imx_write_ctrl *ctrl) |
| { |
| u16 size; |
| |
| if (ctrl->index == 0) |
| return 0; |
| |
| size = sizeof(u16) + ctrl->index; /* 16-bit address + data */ |
| ctrl->buffer.addr = cpu_to_be16(ctrl->buffer.addr); |
| ctrl->index = 0; |
| |
| return imx_i2c_write(client, size, (u8 *)&ctrl->buffer); |
| } |
| |
| static int __imx_buf_reg_array(struct i2c_client *client, |
| struct imx_write_ctrl *ctrl, |
| const struct imx_reg *next) |
| { |
| int size; |
| u16 *data16; |
| |
| switch (next->type) { |
| case IMX_8BIT: |
| size = 1; |
| ctrl->buffer.data[ctrl->index] = (u8)next->val; |
| break; |
| case IMX_16BIT: |
| size = 2; |
| data16 = (u16 *)&ctrl->buffer.data[ctrl->index]; |
| *data16 = cpu_to_be16((u16)next->val); |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| /* When first item is added, we need to store its starting address */ |
| if (ctrl->index == 0) |
| ctrl->buffer.addr = next->sreg; |
| |
| ctrl->index += size; |
| |
| /* |
| * Buffer cannot guarantee free space for u32? Better flush it to avoid |
| * possible lack of memory for next item. |
| */ |
| if (ctrl->index + sizeof(u16) >= IMX_MAX_WRITE_BUF_SIZE) |
| return __imx_flush_reg_array(client, ctrl); |
| |
| return 0; |
| } |
| |
| static int |
| __imx_write_reg_is_consecutive(struct i2c_client *client, |
| struct imx_write_ctrl *ctrl, |
| const struct imx_reg *next) |
| { |
| if (ctrl->index == 0) |
| return 1; |
| |
| return ctrl->buffer.addr + ctrl->index == next->sreg; |
| } |
| |
| static int imx_write_reg_array(struct i2c_client *client, |
| const struct imx_reg *reglist) |
| { |
| const struct imx_reg *next = reglist; |
| struct imx_write_ctrl ctrl; |
| int err; |
| |
| ctrl.index = 0; |
| for (; next->type != IMX_TOK_TERM; next++) { |
| switch (next->type & IMX_TOK_MASK) { |
| case IMX_TOK_DELAY: |
| err = __imx_flush_reg_array(client, &ctrl); |
| if (err) |
| return err; |
| msleep(next->val); |
| break; |
| |
| default: |
| /* |
| * If next address is not consecutive, data needs to be |
| * flushed before proceed. |
| */ |
| if (!__imx_write_reg_is_consecutive(client, &ctrl, |
| next)) { |
| err = __imx_flush_reg_array(client, &ctrl); |
| if (err) |
| return err; |
| } |
| err = __imx_buf_reg_array(client, &ctrl, next); |
| if (err) { |
| v4l2_err(client, "%s: write error, aborted\n", |
| __func__); |
| return err; |
| } |
| break; |
| } |
| } |
| |
| return __imx_flush_reg_array(client, &ctrl); |
| } |
| |
| static int __imx_min_fps_diff(int fps, const struct imx_fps_setting *fps_list) |
| { |
| int diff = INT_MAX; |
| int i; |
| |
| if (fps == 0) |
| return 0; |
| |
| for (i = 0; i < MAX_FPS_OPTIONS_SUPPORTED; i++) { |
| if (!fps_list[i].fps) |
| break; |
| if (abs(fps_list[i].fps - fps) < diff) |
| diff = abs(fps_list[i].fps - fps); |
| } |
| |
| return diff; |
| } |
| |
| static int __imx_nearest_fps_index(int fps, |
| const struct imx_fps_setting *fps_list) |
| { |
| int fps_index = 0; |
| int i; |
| |
| for (i = 0; i < MAX_FPS_OPTIONS_SUPPORTED; i++) { |
| if (!fps_list[i].fps) |
| break; |
| if (abs(fps_list[i].fps - fps) |
| < abs(fps_list[fps_index].fps - fps)) |
| fps_index = i; |
| } |
| return fps_index; |
| } |
| |
| /* |
| * This is to choose the nearest fps setting above the requested fps |
| * fps_list should be in ascendant order. |
| */ |
| static int __imx_above_nearest_fps_index(int fps, |
| const struct imx_fps_setting *fps_list) |
| { |
| int fps_index = 0; |
| int i; |
| |
| for (i = 0; i < MAX_FPS_OPTIONS_SUPPORTED; i++) { |
| if (!fps_list[i].fps) |
| break; |
| if (fps <= fps_list[i].fps) { |
| fps_index = i; |
| break; |
| } |
| } |
| |
| return fps_index; |
| } |
| |
| static int imx_get_lanes(struct v4l2_subdev *sd) |
| { |
| struct camera_mipi_info *imx_info = v4l2_get_subdev_hostdata(sd); |
| |
| if (!imx_info) |
| return -ENOSYS; |
| if (imx_info->num_lanes < 1 || imx_info->num_lanes > 4 || |
| imx_info->num_lanes == 3) |
| return -EINVAL; |
| |
| return imx_info->num_lanes; |
| } |
| |
| static int __imx_update_exposure_timing(struct i2c_client *client, u16 exposure, |
| u16 llp, u16 fll) |
| { |
| struct v4l2_subdev *sd = i2c_get_clientdata(client); |
| struct imx_device *dev = to_imx_sensor(sd); |
| int ret = 0; |
| |
| if (dev->sensor_id != IMX227_ID) { |
| /* Increase the VTS to match exposure + margin */ |
| if (exposure > fll - IMX_INTEGRATION_TIME_MARGIN) |
| fll = exposure + IMX_INTEGRATION_TIME_MARGIN; |
| } |
| |
| ret = imx_write_reg(client, IMX_16BIT, |
| dev->reg_addr->line_length_pixels, llp); |
| if (ret) |
| return ret; |
| |
| ret = imx_write_reg(client, IMX_16BIT, |
| dev->reg_addr->frame_length_lines, fll); |
| if (ret) |
| return ret; |
| |
| if (exposure) |
| ret = imx_write_reg(client, IMX_16BIT, |
| dev->reg_addr->coarse_integration_time, exposure); |
| |
| return ret; |
| } |
| |
| static int __imx_update_gain(struct v4l2_subdev *sd, u16 gain) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| int ret; |
| |
| /* set global gain */ |
| ret = imx_write_reg(client, IMX_8BIT, dev->reg_addr->global_gain, gain); |
| if (ret) |
| return ret; |
| |
| /* set short analog gain */ |
| if (dev->sensor_id == IMX135_ID) |
| ret = imx_write_reg(client, IMX_8BIT, IMX_SHORT_AGC_GAIN, gain); |
| |
| return ret; |
| } |
| |
| static int __imx_update_digital_gain(struct i2c_client *client, u16 digitgain) |
| { |
| struct v4l2_subdev *sd = i2c_get_clientdata(client); |
| struct imx_device *dev = to_imx_sensor(sd); |
| struct imx_write_buffer digit_gain; |
| |
| digit_gain.addr = cpu_to_be16(dev->reg_addr->dgc_adj); |
| digit_gain.data[0] = (digitgain >> 8) & 0xFF; |
| digit_gain.data[1] = digitgain & 0xFF; |
| |
| if (dev->sensor_id == IMX219_ID) { |
| return imx_i2c_write(client, IMX219_DGC_LEN, (u8 *)&digit_gain); |
| } else if (dev->sensor_id == IMX227_ID) { |
| return imx_i2c_write(client, IMX227_DGC_LEN, (u8 *)&digit_gain); |
| } else { |
| digit_gain.data[2] = (digitgain >> 8) & 0xFF; |
| digit_gain.data[3] = digitgain & 0xFF; |
| digit_gain.data[4] = (digitgain >> 8) & 0xFF; |
| digit_gain.data[5] = digitgain & 0xFF; |
| digit_gain.data[6] = (digitgain >> 8) & 0xFF; |
| digit_gain.data[7] = digitgain & 0xFF; |
| return imx_i2c_write(client, IMX_DGC_LEN, (u8 *)&digit_gain); |
| } |
| return 0; |
| } |
| |
| static int imx_set_exposure_gain(struct v4l2_subdev *sd, u16 coarse_itg, |
| u16 gain, u16 digitgain) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| int lanes = imx_get_lanes(sd); |
| unsigned int digitgain_scaled; |
| int ret = 0; |
| |
| /* Validate exposure: cannot exceed VTS-4 where VTS is 16bit */ |
| coarse_itg = clamp_t(u16, coarse_itg, 0, IMX_MAX_EXPOSURE_SUPPORTED); |
| |
| /* Validate gain: must not exceed maximum 8bit value */ |
| gain = clamp_t(u16, gain, 0, IMX_MAX_GLOBAL_GAIN_SUPPORTED); |
| |
| mutex_lock(&dev->input_lock); |
| |
| if (dev->sensor_id == IMX227_ID) { |
| ret = imx_write_reg_array(client, imx_param_hold); |
| if (ret) { |
| mutex_unlock(&dev->input_lock); |
| return ret; |
| } |
| } |
| |
| /* For imx175, setting gain must be delayed by one */ |
| if ((dev->sensor_id == IMX175_ID) && dev->digital_gain) |
| digitgain_scaled = dev->digital_gain; |
| else |
| digitgain_scaled = digitgain; |
| /* imx132 with two lanes needs more gain to saturate at max */ |
| if (dev->sensor_id == IMX132_ID && lanes > 1) { |
| digitgain_scaled *= IMX132_2LANES_GAINFACT; |
| digitgain_scaled >>= IMX132_2LANES_GAINFACT_SHIFT; |
| } |
| /* Validate digital gain: must not exceed 12 bit value*/ |
| digitgain_scaled = clamp_t(unsigned int, digitgain_scaled, |
| 0, IMX_MAX_DIGITAL_GAIN_SUPPORTED); |
| |
| ret = __imx_update_exposure_timing(client, coarse_itg, |
| dev->pixels_per_line, dev->lines_per_frame); |
| if (ret) |
| goto out; |
| dev->coarse_itg = coarse_itg; |
| |
| if (dev->sensor_id == IMX175_ID) |
| ret = __imx_update_gain(sd, dev->gain); |
| else |
| ret = __imx_update_gain(sd, gain); |
| if (ret) |
| goto out; |
| dev->gain = gain; |
| |
| ret = __imx_update_digital_gain(client, digitgain_scaled); |
| if (ret) |
| goto out; |
| dev->digital_gain = digitgain; |
| |
| out: |
| if (dev->sensor_id == IMX227_ID) |
| ret = imx_write_reg_array(client, imx_param_update); |
| mutex_unlock(&dev->input_lock); |
| return ret; |
| } |
| |
| static long imx_s_exposure(struct v4l2_subdev *sd, |
| struct atomisp_exposure *exposure) |
| { |
| return imx_set_exposure_gain(sd, exposure->integration_time[0], |
| exposure->gain[0], exposure->gain[1]); |
| } |
| |
| /* FIXME -To be updated with real OTP reading */ |
| static int imx_g_priv_int_data(struct v4l2_subdev *sd, |
| struct v4l2_private_int_data *priv) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| struct imx_device *dev = to_imx_sensor(sd); |
| u8 __user *to = priv->data; |
| u32 read_size = priv->size; |
| int ret; |
| |
| /* No need to copy data if size is 0 */ |
| if (!read_size) |
| goto out; |
| |
| if (IS_ERR(dev->otp_data)) { |
| dev_err(&client->dev, "OTP data not available"); |
| return PTR_ERR(dev->otp_data); |
| } |
| /* Correct read_size value only if bigger than maximum */ |
| if (read_size > dev->otp_driver->size) |
| read_size = dev->otp_driver->size; |
| |
| ret = copy_to_user(to, dev->otp_data, read_size); |
| if (ret) { |
| dev_err(&client->dev, "%s: failed to copy OTP data to user\n", |
| __func__); |
| return -EFAULT; |
| } |
| out: |
| /* Return correct size */ |
| priv->size = dev->otp_driver->size; |
| |
| return 0; |
| } |
| |
| static int __imx_init(struct v4l2_subdev *sd, u32 val) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| struct imx_device *dev = to_imx_sensor(sd); |
| int lanes = imx_get_lanes(sd); |
| int ret; |
| |
| if (dev->sensor_id == IMX_ID_DEFAULT) |
| return 0; |
| |
| /* The default is no flip at sensor initialization */ |
| dev->h_flip->cur.val = 0; |
| dev->v_flip->cur.val = 0; |
| /* Sets the default FPS */ |
| dev->fps_index = 0; |
| dev->curr_res_table = dev->mode_tables->res_preview; |
| dev->entries_curr_table = dev->mode_tables->n_res_preview; |
| |
| ret = imx_write_reg_array(client, dev->mode_tables->init_settings); |
| if (ret) |
| return ret; |
| |
| if (dev->sensor_id == IMX132_ID && lanes > 0) { |
| static const u8 imx132_rglanesel[] = { |
| IMX132_RGLANESEL_1LANE, /* 1 lane */ |
| IMX132_RGLANESEL_2LANES, /* 2 lanes */ |
| IMX132_RGLANESEL_1LANE, /* undefined */ |
| IMX132_RGLANESEL_4LANES, /* 4 lanes */ |
| }; |
| ret = imx_write_reg(client, IMX_8BIT, |
| IMX132_RGLANESEL, imx132_rglanesel[lanes - 1]); |
| } |
| |
| return ret; |
| } |
| |
| static int imx_init(struct v4l2_subdev *sd, u32 val) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| int ret = 0; |
| |
| mutex_lock(&dev->input_lock); |
| ret = __imx_init(sd, val); |
| mutex_unlock(&dev->input_lock); |
| |
| return ret; |
| } |
| |
| static long imx_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) |
| { |
| |
| switch (cmd) { |
| case ATOMISP_IOC_S_EXPOSURE: |
| return imx_s_exposure(sd, arg); |
| case ATOMISP_IOC_G_SENSOR_PRIV_INT_DATA: |
| return imx_g_priv_int_data(sd, arg); |
| default: |
| return -EINVAL; |
| } |
| return 0; |
| } |
| |
| static int power_up(struct v4l2_subdev *sd) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| struct imx_device *dev = to_imx_sensor(sd); |
| int ret; |
| |
| /* power control */ |
| ret = dev->platform_data->power_ctrl(sd, 1); |
| if (ret) |
| goto fail_power; |
| |
| /* flis clock control */ |
| ret = dev->platform_data->flisclk_ctrl(sd, 1); |
| if (ret) |
| goto fail_clk; |
| |
| /* gpio ctrl */ |
| ret = dev->platform_data->gpio_ctrl(sd, 1); |
| if (ret) { |
| dev_err(&client->dev, "gpio failed\n"); |
| goto fail_gpio; |
| } |
| |
| return 0; |
| fail_gpio: |
| dev->platform_data->gpio_ctrl(sd, 0); |
| fail_clk: |
| dev->platform_data->flisclk_ctrl(sd, 0); |
| fail_power: |
| dev->platform_data->power_ctrl(sd, 0); |
| dev_err(&client->dev, "sensor power-up failed\n"); |
| |
| return ret; |
| } |
| |
| static int power_down(struct v4l2_subdev *sd) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| int ret; |
| |
| ret = dev->platform_data->flisclk_ctrl(sd, 0); |
| if (ret) |
| dev_err(&client->dev, "flisclk failed\n"); |
| |
| /* gpio ctrl */ |
| ret = dev->platform_data->gpio_ctrl(sd, 0); |
| if (ret) |
| dev_err(&client->dev, "gpio failed\n"); |
| |
| /* power control */ |
| ret = dev->platform_data->power_ctrl(sd, 0); |
| if (ret) |
| dev_err(&client->dev, "vprog failed.\n"); |
| |
| return ret; |
| } |
| |
| static int __imx_s_power(struct v4l2_subdev *sd, int on) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| int ret = 0; |
| int r = 0; |
| |
| if (on == 0) { |
| ret = power_down(sd); |
| if (dev->vcm_driver && dev->vcm_driver->power_down) |
| r = dev->vcm_driver->power_down(sd); |
| if (ret == 0) |
| ret = r; |
| dev->power = 0; |
| } else { |
| if (dev->vcm_driver && dev->vcm_driver->power_up) |
| ret = dev->vcm_driver->power_up(sd); |
| if (ret) |
| return ret; |
| ret = power_up(sd); |
| if (!ret) { |
| dev->power = 1; |
| return __imx_init(sd, 0); |
| } |
| } |
| |
| return ret; |
| } |
| |
| static int imx_s_power(struct v4l2_subdev *sd, int on) |
| { |
| int ret; |
| struct imx_device *dev = to_imx_sensor(sd); |
| |
| mutex_lock(&dev->input_lock); |
| ret = __imx_s_power(sd, on); |
| mutex_unlock(&dev->input_lock); |
| |
| return ret; |
| } |
| |
| static int imx_get_intg_factor(struct i2c_client *client, |
| struct camera_mipi_info *info, |
| const struct imx_reg *reglist) |
| { |
| struct v4l2_subdev *sd = i2c_get_clientdata(client); |
| struct imx_device *dev = to_imx_sensor(sd); |
| int lanes = imx_get_lanes(sd); |
| u32 vt_pix_clk_div; |
| u32 vt_sys_clk_div; |
| u32 pre_pll_clk_div; |
| u32 pll_multiplier; |
| |
| const int ext_clk_freq_hz = 19200000; |
| struct atomisp_sensor_mode_data *buf = &info->data; |
| int ret; |
| u16 data[IMX_INTG_BUF_COUNT]; |
| |
| u32 vt_pix_clk_freq_mhz; |
| u32 coarse_integration_time_min; |
| u32 coarse_integration_time_max_margin; |
| u32 read_mode; |
| u32 div; |
| |
| if (info == NULL) |
| return -EINVAL; |
| |
| memset(data, 0, IMX_INTG_BUF_COUNT * sizeof(u16)); |
| ret = imx_read_reg(client, 1, IMX_VT_PIX_CLK_DIV, data); |
| if (ret) |
| return ret; |
| vt_pix_clk_div = data[0] & IMX_MASK_5BIT; |
| |
| if (dev->sensor_id == IMX132_ID || dev->sensor_id == IMX208_ID) { |
| static const int rgpltd[] = { 2, 4, 1, 1 }; |
| ret = imx_read_reg(client, 1, IMX132_208_VT_RGPLTD, data); |
| if (ret) |
| return ret; |
| vt_sys_clk_div = rgpltd[data[0] & IMX_MASK_2BIT]; |
| } else { |
| ret = imx_read_reg(client, 1, IMX_VT_SYS_CLK_DIV, data); |
| if (ret) |
| return ret; |
| vt_sys_clk_div = data[0] & IMX_MASK_2BIT; |
| } |
| ret = imx_read_reg(client, 1, IMX_PRE_PLL_CLK_DIV, data); |
| if (ret) |
| return ret; |
| pre_pll_clk_div = data[0] & IMX_MASK_4BIT; |
| |
| ret = imx_read_reg(client, 2, |
| (dev->sensor_id == IMX132_ID || |
| dev->sensor_id == IMX219_ID || |
| dev->sensor_id == IMX208_ID) ? |
| IMX132_208_219_PLL_MULTIPLIER : IMX_PLL_MULTIPLIER, data); |
| if (ret) |
| return ret; |
| pll_multiplier = data[0] & IMX_MASK_11BIT; |
| |
| memset(data, 0, IMX_INTG_BUF_COUNT * sizeof(u16)); |
| ret = imx_read_reg(client, 4, IMX_COARSE_INTG_TIME_MIN, data); |
| if (ret) |
| return ret; |
| coarse_integration_time_min = data[0]; |
| coarse_integration_time_max_margin = data[1]; |
| |
| /* Get the cropping and output resolution to ISP for this mode. */ |
| ret = imx_read_reg(client, 2, dev->reg_addr->horizontal_start_h, data); |
| if (ret) |
| return ret; |
| buf->crop_horizontal_start = data[0]; |
| |
| ret = imx_read_reg(client, 2, dev->reg_addr->vertical_start_h, data); |
| if (ret) |
| return ret; |
| buf->crop_vertical_start = data[0]; |
| |
| ret = imx_read_reg(client, 2, dev->reg_addr->horizontal_end_h, data); |
| if (ret) |
| return ret; |
| buf->crop_horizontal_end = data[0]; |
| |
| ret = imx_read_reg(client, 2, dev->reg_addr->vertical_end_h, data); |
| if (ret) |
| return ret; |
| buf->crop_vertical_end = data[0]; |
| |
| ret = imx_read_reg(client, 2, |
| dev->reg_addr->horizontal_output_size_h, data); |
| if (ret) |
| return ret; |
| buf->output_width = data[0]; |
| |
| ret = imx_read_reg(client, 2, |
| dev->reg_addr->vertical_output_size_h, data); |
| if (ret) |
| return ret; |
| buf->output_height = data[0]; |
| |
| memset(data, 0, IMX_INTG_BUF_COUNT * sizeof(u16)); |
| if (dev->sensor_id == IMX132_ID || dev->sensor_id == IMX208_ID || |
| dev->sensor_id == IMX219_ID) |
| read_mode = 0; |
| else { |
| if (dev->sensor_id == IMX227_ID) |
| ret = imx_read_reg(client, 1, IMX227_READ_MODE, data); |
| else |
| ret = imx_read_reg(client, 1, IMX_READ_MODE, data); |
| |
| if (ret) |
| return ret; |
| read_mode = data[0] & IMX_MASK_2BIT; |
| } |
| |
| div = pre_pll_clk_div*vt_sys_clk_div*vt_pix_clk_div; |
| if (div == 0) |
| return -EINVAL; |
| |
| if (dev->sensor_id == IMX132_ID || dev->sensor_id == IMX208_ID) |
| vt_pix_clk_freq_mhz = ext_clk_freq_hz / div; |
| else if (dev->sensor_id == IMX227_ID) { |
| /* according to IMX227 datasheet: |
| * vt_pix_freq_mhz = * num_of_vt_lanes(4) * ivt_pix_clk_freq_mhz |
| */ |
| vt_pix_clk_freq_mhz = |
| (u64)4 * ext_clk_freq_hz * pll_multiplier; |
| do_div(vt_pix_clk_freq_mhz, div); |
| } else |
| vt_pix_clk_freq_mhz = 2 * ext_clk_freq_hz / div; |
| |
| vt_pix_clk_freq_mhz *= pll_multiplier; |
| if (dev->sensor_id == IMX132_ID && lanes > 0) |
| vt_pix_clk_freq_mhz *= lanes; |
| |
| dev->vt_pix_clk_freq_mhz = vt_pix_clk_freq_mhz; |
| |
| buf->vt_pix_clk_freq_mhz = vt_pix_clk_freq_mhz; |
| buf->coarse_integration_time_min = coarse_integration_time_min; |
| buf->coarse_integration_time_max_margin = |
| coarse_integration_time_max_margin; |
| |
| buf->fine_integration_time_min = IMX_FINE_INTG_TIME; |
| buf->fine_integration_time_max_margin = IMX_FINE_INTG_TIME; |
| buf->fine_integration_time_def = IMX_FINE_INTG_TIME; |
| buf->frame_length_lines = dev->lines_per_frame; |
| buf->line_length_pck = dev->pixels_per_line; |
| buf->read_mode = read_mode; |
| |
| if (dev->sensor_id == IMX132_ID || dev->sensor_id == IMX208_ID || |
| dev->sensor_id == IMX219_ID) { |
| buf->binning_factor_x = 1; |
| buf->binning_factor_y = 1; |
| } else { |
| if (dev->sensor_id == IMX227_ID) |
| ret = imx_read_reg(client, 1, IMX227_BINNING_ENABLE, |
| data); |
| else |
| ret = imx_read_reg(client, 1, IMX_BINNING_ENABLE, data); |
| |
| if (ret) |
| return ret; |
| /* 1:binning enabled, 0:disabled */ |
| if (data[0] == 1) { |
| if (dev->sensor_id == IMX227_ID) |
| ret = imx_read_reg(client, 1, |
| IMX227_BINNING_TYPE, data); |
| else |
| ret = imx_read_reg(client, 1, |
| IMX_BINNING_TYPE, data); |
| |
| if (ret) |
| return ret; |
| buf->binning_factor_x = data[0] >> 4 & 0x0f; |
| if (!buf->binning_factor_x) |
| buf->binning_factor_x = 1; |
| buf->binning_factor_y = data[0] & 0xf; |
| if (!buf->binning_factor_y) |
| buf->binning_factor_y = 1; |
| /* WOWRKAROUND, NHD setting for IMX227 should have 4x4 |
| * binning but the register setting does not reflect |
| * this, I am asking vendor why this happens. this is |
| * workaround for INTEL BZ 216560. |
| */ |
| if (dev->sensor_id == IMX227_ID) { |
| if (dev->curr_res_table[dev->fmt_idx].width == |
| 376 && |
| dev->curr_res_table[dev->fmt_idx].height == |
| 656) { |
| buf->binning_factor_x = 4; |
| buf->binning_factor_y = 4; |
| } |
| } |
| } else { |
| buf->binning_factor_x = 1; |
| buf->binning_factor_y = 1; |
| } |
| } |
| |
| return 0; |
| } |
| |
| /* This returns the exposure time being used. This should only be used |
| for filling in EXIF data, not for actual image processing. */ |
| static int imx_q_exposure(struct v4l2_subdev *sd, s32 *value) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| struct imx_device *dev = to_imx_sensor(sd); |
| u16 coarse; |
| int ret; |
| |
| /* the fine integration time is currently not calculated */ |
| ret = imx_read_reg(client, IMX_16BIT, |
| dev->reg_addr->coarse_integration_time, &coarse); |
| *value = coarse; |
| |
| return ret; |
| } |
| |
| static int imx_test_pattern(struct v4l2_subdev *sd) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| struct imx_device *dev = to_imx_sensor(sd); |
| int ret; |
| |
| if (dev->power == 0) |
| return 0; |
| |
| ret = imx_write_reg(client, IMX_16BIT, IMX_TEST_PATTERN_COLOR_R, |
| (u16)(dev->tp_r->val >> 22)); |
| if (ret) |
| return ret; |
| |
| ret = imx_write_reg(client, IMX_16BIT, IMX_TEST_PATTERN_COLOR_GR, |
| (u16)(dev->tp_gr->val >> 22)); |
| if (ret) |
| return ret; |
| |
| ret = imx_write_reg(client, IMX_16BIT, IMX_TEST_PATTERN_COLOR_GB, |
| (u16)(dev->tp_gb->val >> 22)); |
| if (ret) |
| return ret; |
| |
| ret = imx_write_reg(client, IMX_16BIT, IMX_TEST_PATTERN_COLOR_B, |
| (u16)(dev->tp_b->val >> 22)); |
| if (ret) |
| return ret; |
| |
| return imx_write_reg(client, IMX_16BIT, IMX_TEST_PATTERN_MODE, |
| (u16)(dev->tp_mode->val)); |
| } |
| |
| static u32 imx_translate_bayer_order(enum atomisp_bayer_order code) |
| { |
| switch (code) { |
| case atomisp_bayer_order_rggb: |
| return MEDIA_BUS_FMT_SRGGB10_1X10; |
| case atomisp_bayer_order_grbg: |
| return MEDIA_BUS_FMT_SGRBG10_1X10; |
| case atomisp_bayer_order_bggr: |
| return MEDIA_BUS_FMT_SBGGR10_1X10; |
| case atomisp_bayer_order_gbrg: |
| return MEDIA_BUS_FMT_SGBRG10_1X10; |
| } |
| return 0; |
| } |
| |
| static int imx_v_flip(struct v4l2_subdev *sd, s32 value) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| struct camera_mipi_info *imx_info = NULL; |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| int ret; |
| u16 val; |
| |
| if (dev->power == 0) |
| return -EIO; |
| |
| ret = imx_write_reg_array(client, dev->param_hold); |
| if (ret) |
| return ret; |
| |
| ret = imx_read_reg(client, IMX_8BIT, |
| dev->reg_addr->img_orientation, &val); |
| if (ret) |
| return ret; |
| if (value) |
| val |= IMX_VFLIP_BIT; |
| else |
| val &= ~IMX_VFLIP_BIT; |
| |
| ret = imx_write_reg(client, IMX_8BIT, |
| dev->reg_addr->img_orientation, val); |
| if (ret) |
| return ret; |
| |
| imx_info = v4l2_get_subdev_hostdata(sd); |
| if (imx_info) { |
| val &= (IMX_VFLIP_BIT|IMX_HFLIP_BIT); |
| imx_info->raw_bayer_order = imx_bayer_order_mapping[val]; |
| dev->format.code = imx_translate_bayer_order( |
| imx_info->raw_bayer_order); |
| } |
| |
| return imx_write_reg_array(client, dev->param_update); |
| } |
| |
| static int imx_h_flip(struct v4l2_subdev *sd, s32 value) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| struct camera_mipi_info *imx_info = NULL; |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| int ret; |
| u16 val; |
| |
| if (dev->power == 0) |
| return -EIO; |
| |
| ret = imx_write_reg_array(client, dev->param_hold); |
| if (ret) |
| return ret; |
| ret = imx_read_reg(client, IMX_8BIT, |
| dev->reg_addr->img_orientation, &val); |
| if (ret) |
| return ret; |
| if (value) |
| val |= IMX_HFLIP_BIT; |
| else |
| val &= ~IMX_HFLIP_BIT; |
| ret = imx_write_reg(client, IMX_8BIT, |
| dev->reg_addr->img_orientation, val); |
| if (ret) |
| return ret; |
| |
| imx_info = v4l2_get_subdev_hostdata(sd); |
| if (imx_info) { |
| val &= (IMX_VFLIP_BIT|IMX_HFLIP_BIT); |
| imx_info->raw_bayer_order = imx_bayer_order_mapping[val]; |
| dev->format.code = imx_translate_bayer_order( |
| imx_info->raw_bayer_order); |
| } |
| |
| return imx_write_reg_array(client, dev->param_update); |
| } |
| |
| static int imx_g_focal(struct v4l2_subdev *sd, s32 *val) |
| { |
| *val = (IMX_FOCAL_LENGTH_NUM << 16) | IMX_FOCAL_LENGTH_DEM; |
| return 0; |
| } |
| |
| static int imx_g_fnumber(struct v4l2_subdev *sd, s32 *val) |
| { |
| /*const f number for imx*/ |
| *val = (IMX_F_NUMBER_DEFAULT_NUM << 16) | IMX_F_NUMBER_DEM; |
| return 0; |
| } |
| |
| static int imx_g_fnumber_range(struct v4l2_subdev *sd, s32 *val) |
| { |
| *val = (IMX_F_NUMBER_DEFAULT_NUM << 24) | |
| (IMX_F_NUMBER_DEM << 16) | |
| (IMX_F_NUMBER_DEFAULT_NUM << 8) | IMX_F_NUMBER_DEM; |
| return 0; |
| } |
| |
| static int imx_g_bin_factor_x(struct v4l2_subdev *sd, s32 *val) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| |
| *val = dev->curr_res_table[dev->fmt_idx].bin_factor_x; |
| |
| return 0; |
| } |
| |
| static int imx_g_bin_factor_y(struct v4l2_subdev *sd, s32 *val) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| |
| *val = dev->curr_res_table[dev->fmt_idx].bin_factor_y; |
| |
| return 0; |
| } |
| |
| static int imx_t_focus_abs(struct v4l2_subdev *sd, s32 value) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| if (dev->vcm_driver && dev->vcm_driver->t_focus_abs) |
| return dev->vcm_driver->t_focus_abs(sd, value); |
| return 0; |
| } |
| |
| static int imx_t_focus_rel(struct v4l2_subdev *sd, s32 value) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| if (dev->vcm_driver && dev->vcm_driver->t_focus_rel) |
| return dev->vcm_driver->t_focus_rel(sd, value); |
| return 0; |
| } |
| |
| static int imx_q_focus_status(struct v4l2_subdev *sd, s32 *value) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| if (dev->vcm_driver && dev->vcm_driver->q_focus_status) |
| return dev->vcm_driver->q_focus_status(sd, value); |
| return 0; |
| } |
| |
| static int imx_q_focus_abs(struct v4l2_subdev *sd, s32 *value) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| if (dev->vcm_driver && dev->vcm_driver->q_focus_abs) |
| return dev->vcm_driver->q_focus_abs(sd, value); |
| return 0; |
| } |
| |
| static int imx_t_vcm_slew(struct v4l2_subdev *sd, s32 value) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| if (dev->vcm_driver && dev->vcm_driver->t_vcm_slew) |
| return dev->vcm_driver->t_vcm_slew(sd, value); |
| return 0; |
| } |
| |
| static int imx_t_vcm_timing(struct v4l2_subdev *sd, s32 value) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| if (dev->vcm_driver && dev->vcm_driver->t_vcm_timing) |
| return dev->vcm_driver->t_vcm_timing(sd, value); |
| return 0; |
| } |
| |
| static int imx_s_ctrl(struct v4l2_ctrl *ctrl) |
| { |
| struct imx_device *dev = container_of( |
| ctrl->handler, struct imx_device, ctrl_handler); |
| struct i2c_client *client = v4l2_get_subdevdata(&dev->sd); |
| int ret = 0; |
| |
| switch (ctrl->id) { |
| case V4L2_CID_TEST_PATTERN: |
| ret = imx_test_pattern(&dev->sd); |
| break; |
| case V4L2_CID_VFLIP: |
| dev_dbg(&client->dev, "%s: CID_VFLIP:%d.\n", |
| __func__, ctrl->val); |
| ret = imx_v_flip(&dev->sd, ctrl->val); |
| break; |
| case V4L2_CID_HFLIP: |
| dev_dbg(&client->dev, "%s: CID_HFLIP:%d.\n", |
| __func__, ctrl->val); |
| ret = imx_h_flip(&dev->sd, ctrl->val); |
| break; |
| case V4L2_CID_FOCUS_ABSOLUTE: |
| ret = imx_t_focus_abs(&dev->sd, ctrl->val); |
| break; |
| case V4L2_CID_FOCUS_RELATIVE: |
| ret = imx_t_focus_rel(&dev->sd, ctrl->val); |
| break; |
| case V4L2_CID_VCM_SLEW: |
| ret = imx_t_vcm_slew(&dev->sd, ctrl->val); |
| break; |
| case V4L2_CID_VCM_TIMEING: |
| ret = imx_t_vcm_timing(&dev->sd, ctrl->val); |
| break; |
| } |
| |
| return ret; |
| } |
| |
| static int imx_g_volatile_ctrl(struct v4l2_ctrl *ctrl) |
| { |
| struct imx_device *dev = container_of( |
| ctrl->handler, struct imx_device, ctrl_handler); |
| int ret = 0; |
| unsigned int val; |
| |
| switch (ctrl->id) { |
| case V4L2_CID_EXPOSURE_ABSOLUTE: |
| ret = imx_q_exposure(&dev->sd, &ctrl->val); |
| break; |
| case V4L2_CID_FOCUS_ABSOLUTE: |
| ret = imx_q_focus_abs(&dev->sd, &ctrl->val); |
| break; |
| case V4L2_CID_FOCUS_STATUS: |
| ret = imx_q_focus_status(&dev->sd, &ctrl->val); |
| break; |
| case V4L2_CID_FOCAL_ABSOLUTE: |
| ret = imx_g_focal(&dev->sd, &ctrl->val); |
| break; |
| case V4L2_CID_FNUMBER_ABSOLUTE: |
| ret = imx_g_fnumber(&dev->sd, &ctrl->val); |
| break; |
| case V4L2_CID_FNUMBER_RANGE: |
| ret = imx_g_fnumber_range(&dev->sd, &ctrl->val); |
| break; |
| case V4L2_CID_BIN_FACTOR_HORZ: |
| ret = imx_g_bin_factor_x(&dev->sd, &ctrl->val); |
| break; |
| case V4L2_CID_BIN_FACTOR_VERT: |
| ret = imx_g_bin_factor_y(&dev->sd, &ctrl->val); |
| break; |
| case V4L2_CID_VBLANK: |
| ctrl->val = dev->lines_per_frame - |
| dev->curr_res_table[dev->fmt_idx].height; |
| break; |
| case V4L2_CID_HBLANK: |
| ctrl->val = dev->pixels_per_line - |
| dev->curr_res_table[dev->fmt_idx].width; |
| break; |
| case V4L2_CID_PIXEL_RATE: |
| ctrl->val = dev->vt_pix_clk_freq_mhz; |
| break; |
| case V4L2_CID_LINK_FREQ: |
| val = dev->curr_res_table[dev->fmt_idx]. |
| fps_options[dev->fps_index].mipi_freq; |
| if (val == 0) |
| val = dev->curr_res_table[dev->fmt_idx].mipi_freq; |
| if (val == 0) |
| return -EINVAL; |
| ctrl->val = val * 1000; /* To Hz */ |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| return ret; |
| } |
| |
| static const struct v4l2_ctrl_ops ctrl_ops = { |
| .s_ctrl = imx_s_ctrl, |
| .g_volatile_ctrl = imx_g_volatile_ctrl |
| }; |
| |
| static const struct v4l2_ctrl_config imx_controls[] = { |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_EXPOSURE_ABSOLUTE, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "exposure", |
| .min = 0x0, |
| .max = 0xffff, |
| .step = 0x01, |
| .def = 0x00, |
| .flags = V4L2_CTRL_FLAG_VOLATILE, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_TEST_PATTERN, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Test pattern", |
| .min = 0, |
| .max = 0xffff, |
| .step = 1, |
| .def = 0, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_TEST_PATTERN_COLOR_R, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Test pattern solid color R", |
| .min = INT_MIN, |
| .max = INT_MAX, |
| .step = 1, |
| .def = 0, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_TEST_PATTERN_COLOR_GR, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Test pattern solid color GR", |
| .min = INT_MIN, |
| .max = INT_MAX, |
| .step = 1, |
| .def = 0, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_TEST_PATTERN_COLOR_GB, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Test pattern solid color GB", |
| .min = INT_MIN, |
| .max = INT_MAX, |
| .step = 1, |
| .def = 0, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_TEST_PATTERN_COLOR_B, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "Test pattern solid color B", |
| .min = INT_MIN, |
| .max = INT_MAX, |
| .step = 1, |
| .def = 0, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_VFLIP, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "Flip", |
| .min = 0, |
| .max = 1, |
| .step = 1, |
| .def = 0, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_HFLIP, |
| .type = V4L2_CTRL_TYPE_BOOLEAN, |
| .name = "Mirror", |
| .min = 0, |
| .max = 1, |
| .step = 1, |
| .def = 0, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_FOCUS_ABSOLUTE, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "focus move absolute", |
| .min = 0, |
| .max = IMX_MAX_FOCUS_POS, |
| .step = 1, |
| .def = 0, |
| .flags = V4L2_CTRL_FLAG_VOLATILE, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_FOCUS_RELATIVE, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "focus move relative", |
| .min = IMX_MAX_FOCUS_NEG, |
| .max = IMX_MAX_FOCUS_POS, |
| .step = 1, |
| .def = 0, |
| .flags = 0, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_FOCUS_STATUS, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "focus status", |
| .min = 0, |
| .max = 100, /* allow enum to grow in the future */ |
| .step = 1, |
| .def = 0, |
| .flags = V4L2_CTRL_FLAG_VOLATILE, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_VCM_SLEW, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "vcm slew", |
| .min = 0, |
| .max = IMX_VCM_SLEW_STEP_MAX, |
| .step = 1, |
| .def = 0, |
| .flags = 0, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_VCM_TIMEING, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "vcm step time", |
| .min = 0, |
| .max = IMX_VCM_SLEW_TIME_MAX, |
| .step = 1, |
| .def = 0, |
| .flags = 0, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_FOCAL_ABSOLUTE, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "focal length", |
| .min = IMX_FOCAL_LENGTH_DEFAULT, |
| .max = IMX_FOCAL_LENGTH_DEFAULT, |
| .step = 0x01, |
| .def = IMX_FOCAL_LENGTH_DEFAULT, |
| .flags = V4L2_CTRL_FLAG_VOLATILE, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_FNUMBER_ABSOLUTE, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "f-number", |
| .min = IMX_F_NUMBER_DEFAULT, |
| .max = IMX_F_NUMBER_DEFAULT, |
| .step = 0x01, |
| .def = IMX_F_NUMBER_DEFAULT, |
| .flags = V4L2_CTRL_FLAG_VOLATILE, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_FNUMBER_RANGE, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "f-number range", |
| .min = IMX_F_NUMBER_RANGE, |
| .max = IMX_F_NUMBER_RANGE, |
| .step = 0x01, |
| .def = IMX_F_NUMBER_RANGE, |
| .flags = V4L2_CTRL_FLAG_VOLATILE, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_BIN_FACTOR_HORZ, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "horizontal binning factor", |
| .min = 0, |
| .max = IMX_BIN_FACTOR_MAX, |
| .step = 1, |
| .def = 0, |
| .flags = V4L2_CTRL_FLAG_VOLATILE, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_BIN_FACTOR_VERT, |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .name = "vertical binning factor", |
| .min = 0, |
| .max = IMX_BIN_FACTOR_MAX, |
| .step = 1, |
| .def = 0, |
| .flags = V4L2_CTRL_FLAG_VOLATILE, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_LINK_FREQ, |
| .name = "Link Frequency", |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .min = 1, |
| .max = 1500000 * 1000, |
| .step = 1, |
| .def = 1, |
| .flags = V4L2_CTRL_FLAG_VOLATILE | V4L2_CTRL_FLAG_READ_ONLY, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_PIXEL_RATE, |
| .name = "Pixel Rate", |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .min = 0, |
| .max = INT_MAX, |
| .step = 1, |
| .def = 0, |
| .flags = V4L2_CTRL_FLAG_VOLATILE, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_HBLANK, |
| .name = "Horizontal Blanking", |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .min = 0, |
| .max = SHRT_MAX, |
| .step = 1, |
| .def = 0, |
| .flags = V4L2_CTRL_FLAG_VOLATILE, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_VBLANK, |
| .name = "Vertical Blanking", |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .min = 0, |
| .max = SHRT_MAX, |
| .step = 1, |
| .def = 0, |
| .flags = V4L2_CTRL_FLAG_VOLATILE, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_HFLIP, |
| .name = "Horizontal Flip", |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .min = 0, |
| .max = 1, |
| .step = 1, |
| .def = 0, |
| .flags = 0, |
| }, |
| { |
| .ops = &ctrl_ops, |
| .id = V4L2_CID_VFLIP, |
| .name = "Vertical Flip", |
| .type = V4L2_CTRL_TYPE_INTEGER, |
| .min = 0, |
| .max = 1, |
| .step = 1, |
| .def = 0, |
| .flags = 0, |
| }, |
| }; |
| |
| /* |
| * distance - calculate the distance |
| * @res: resolution |
| * @w: width |
| * @h: height |
| * |
| * Get the gap between resolution and w/h. |
| * res->width/height smaller than w/h wouldn't be considered. |
| * Returns the value of gap or -1 if fail. |
| */ |
| #define LARGEST_ALLOWED_RATIO_MISMATCH 600 |
| static int distance(struct imx_resolution const *res, u32 w, u32 h, |
| bool keep_ratio) |
| { |
| unsigned int w_ratio; |
| unsigned int h_ratio; |
| int match; |
| unsigned int allowed_ratio_mismatch = LARGEST_ALLOWED_RATIO_MISMATCH; |
| |
| if (!keep_ratio) |
| allowed_ratio_mismatch = ~0; |
| |
| if (w == 0) |
| return -1; |
| w_ratio = (res->width << 13) / w; |
| if (h == 0) |
| return -1; |
| h_ratio = (res->height << 13) / h; |
| if (h_ratio == 0) |
| return -1; |
| match = abs(((w_ratio << 13) / h_ratio) - ((int)8192)); |
| |
| if ((w_ratio < (int)8192) || (h_ratio < (int)8192) || |
| (match > allowed_ratio_mismatch)) |
| return -1; |
| |
| return w_ratio + h_ratio; |
| } |
| |
| /* Return the nearest higher resolution index */ |
| static int nearest_resolution_index(struct v4l2_subdev *sd, int w, int h) |
| { |
| int i; |
| int idx = -1; |
| int dist; |
| int fps_diff; |
| int min_fps_diff = INT_MAX; |
| int min_dist = INT_MAX; |
| const struct imx_resolution *tmp_res = NULL; |
| struct imx_device *dev = to_imx_sensor(sd); |
| bool again = 1; |
| retry: |
| for (i = 0; i < dev->entries_curr_table; i++) { |
| tmp_res = &dev->curr_res_table[i]; |
| dist = distance(tmp_res, w, h, again); |
| if (dist == -1) |
| continue; |
| if (dist < min_dist) { |
| min_dist = dist; |
| idx = i; |
| } |
| if (dist == min_dist) { |
| fps_diff = __imx_min_fps_diff(dev->targetfps, |
| tmp_res->fps_options); |
| if (fps_diff < min_fps_diff) { |
| min_fps_diff = fps_diff; |
| idx = i; |
| } |
| } |
| } |
| |
| /* |
| * FIXME! |
| * only IMX135 for Saltbay and IMX227 use this algorithm |
| */ |
| if (idx == -1 && again == true && dev->new_res_sel_method) { |
| again = false; |
| goto retry; |
| } |
| return idx; |
| } |
| |
| /* Call with ctrl_handler.lock hold */ |
| static int __adjust_hvblank(struct v4l2_subdev *sd) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| struct imx_device *dev = to_imx_sensor(sd); |
| u16 new_frame_length_lines, new_line_length_pck; |
| int ret; |
| |
| /* |
| * No need to adjust h/v blank if not set dbg value |
| * Note that there is no other checking on the h/v blank value, |
| * as h/v blank can be set to any value above zero for debug purpose |
| */ |
| if (!dev->v_blank->val || !dev->h_blank->val) |
| return 0; |
| |
| new_frame_length_lines = dev->curr_res_table[dev->fmt_idx].height + |
| dev->v_blank->val; |
| new_line_length_pck = dev->curr_res_table[dev->fmt_idx].width + |
| dev->h_blank->val; |
| |
| ret = imx_write_reg(client, IMX_16BIT, |
| dev->reg_addr->line_length_pixels, new_line_length_pck); |
| if (ret) |
| return ret; |
| ret = imx_write_reg(client, IMX_16BIT, |
| dev->reg_addr->frame_length_lines, new_frame_length_lines); |
| if (ret) |
| return ret; |
| |
| dev->lines_per_frame = new_frame_length_lines; |
| dev->pixels_per_line = new_line_length_pck; |
| |
| return 0; |
| } |
| |
| static int imx_set_fmt(struct v4l2_subdev *sd, |
| struct v4l2_subdev_pad_config *cfg, |
| struct v4l2_subdev_format *format) |
| { |
| struct v4l2_mbus_framefmt *fmt = &format->format; |
| struct imx_device *dev = to_imx_sensor(sd); |
| struct camera_mipi_info *imx_info = NULL; |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| const struct imx_resolution *res; |
| int lanes = imx_get_lanes(sd); |
| int ret; |
| u16 data, val; |
| int idx; |
| if (format->pad) |
| return -EINVAL; |
| if (!fmt) |
| return -EINVAL; |
| |
| imx_info = v4l2_get_subdev_hostdata(sd); |
| if (imx_info == NULL) |
| return -EINVAL; |
| if ((fmt->width > imx_max_res[dev->sensor_id].res_max_width) |
| || (fmt->height > imx_max_res[dev->sensor_id].res_max_height)) { |
| fmt->width = imx_max_res[dev->sensor_id].res_max_width; |
| fmt->height = imx_max_res[dev->sensor_id].res_max_height; |
| } else { |
| idx = nearest_resolution_index(sd, fmt->width, fmt->height); |
| |
| /* |
| * nearest_resolution_index() doesn't return smaller |
| * resolutions. If it fails, it means the requested |
| * resolution is higher than wecan support. Fallback |
| * to highest possible resolution in this case. |
| */ |
| if (idx == -1) |
| idx = dev->entries_curr_table - 1; |
| |
| fmt->width = dev->curr_res_table[idx].width; |
| fmt->height = dev->curr_res_table[idx].height; |
| } |
| |
| fmt->code = dev->format.code; |
| if(format->which == V4L2_SUBDEV_FORMAT_TRY) { |
| cfg->try_fmt = *fmt; |
| return 0; |
| } |
| mutex_lock(&dev->input_lock); |
| |
| dev->fmt_idx = nearest_resolution_index(sd, fmt->width, fmt->height); |
| if (dev->fmt_idx == -1) { |
| ret = -EINVAL; |
| goto out; |
| } |
| res = &dev->curr_res_table[dev->fmt_idx]; |
| |
| /* Adjust the FPS selection based on the resolution selected */ |
| dev->fps_index = __imx_nearest_fps_index(dev->targetfps, |
| res->fps_options); |
| dev->fps = res->fps_options[dev->fps_index].fps; |
| dev->regs = res->fps_options[dev->fps_index].regs; |
| if (!dev->regs) |
| dev->regs = res->regs; |
| |
| ret = imx_write_reg_array(client, dev->regs); |
| if (ret) |
| goto out; |
| |
| if (dev->sensor_id == IMX132_ID && lanes > 0) { |
| static const u8 imx132_rgpltd[] = { |
| 2, /* 1 lane: /1 */ |
| 0, /* 2 lanes: /2 */ |
| 0, /* undefined */ |
| 1, /* 4 lanes: /4 */ |
| }; |
| ret = imx_write_reg(client, IMX_8BIT, IMX132_208_VT_RGPLTD, |
| imx132_rgpltd[lanes - 1]); |
| if (ret) |
| goto out; |
| } |
| |
| dev->pixels_per_line = res->fps_options[dev->fps_index].pixels_per_line; |
| dev->lines_per_frame = res->fps_options[dev->fps_index].lines_per_frame; |
| |
| /* dbg h/v blank time */ |
| __adjust_hvblank(sd); |
| |
| ret = __imx_update_exposure_timing(client, dev->coarse_itg, |
| dev->pixels_per_line, dev->lines_per_frame); |
| if (ret) |
| goto out; |
| |
| ret = __imx_update_gain(sd, dev->gain); |
| if (ret) |
| goto out; |
| |
| ret = __imx_update_digital_gain(client, dev->digital_gain); |
| if (ret) |
| goto out; |
| |
| ret = imx_write_reg_array(client, dev->param_update); |
| if (ret) |
| goto out; |
| |
| ret = imx_get_intg_factor(client, imx_info, dev->regs); |
| if (ret) |
| goto out; |
| |
| ret = imx_read_reg(client, IMX_8BIT, |
| dev->reg_addr->img_orientation, &val); |
| if (ret) |
| goto out; |
| val &= (IMX_VFLIP_BIT|IMX_HFLIP_BIT); |
| imx_info->raw_bayer_order = imx_bayer_order_mapping[val]; |
| dev->format.code = imx_translate_bayer_order( |
| imx_info->raw_bayer_order); |
| |
| /* |
| * Fill meta data info. add imx135 metadata setting for RAW10 format |
| */ |
| switch (dev->sensor_id) { |
| case IMX135_ID: |
| ret = imx_read_reg(client, 2, |
| IMX135_OUTPUT_DATA_FORMAT_REG, &data); |
| if (ret) |
| goto out; |
| /* |
| * The IMX135 can support various resolutions like |
| * RAW6/8/10/12/14. |
| * 1.The data format is RAW10: |
| * matadata width = current resolution width(pixel) * 10 / 8 |
| * 2.The data format is RAW6 or RAW8: |
| * matadata width = current resolution width(pixel); |
| * 3.other data format(RAW12/14 etc): |
| * TBD. |
| */ |
| if (data == IMX135_OUTPUT_FORMAT_RAW10) |
| /* the data format is RAW10. */ |
| imx_info->metadata_width = res->width * 10 / 8; |
| else |
| /* The data format is RAW6/8/12/14/ etc. */ |
| imx_info->metadata_width = res->width; |
| |
| imx_info->metadata_height = IMX135_EMBEDDED_DATA_LINE_NUM; |
| |
| if (imx_info->metadata_effective_width == NULL) |
| imx_info->metadata_effective_width = |
| imx135_embedded_effective_size; |
| |
| break; |
| case IMX227_ID: |
| ret = imx_read_reg(client, 2, IMX227_OUTPUT_DATA_FORMAT_REG, |
| &data); |
| if (ret) |
| goto out; |
| if (data == IMX227_OUTPUT_FORMAT_RAW10) |
| /* the data format is RAW10. */ |
| imx_info->metadata_width = res->width * 10 / 8; |
| else |
| /* The data format is RAW6/8/12/14/ etc. */ |
| imx_info->metadata_width = res->width; |
| |
| imx_info->metadata_height = IMX227_EMBEDDED_DATA_LINE_NUM; |
| |
| if (imx_info->metadata_effective_width == NULL) |
| imx_info->metadata_effective_width = |
| imx227_embedded_effective_size; |
| |
| break; |
| default: |
| imx_info->metadata_width = 0; |
| imx_info->metadata_height = 0; |
| imx_info->metadata_effective_width = NULL; |
| break; |
| } |
| |
| out: |
| mutex_unlock(&dev->input_lock); |
| return ret; |
| } |
| |
| |
| static int imx_get_fmt(struct v4l2_subdev *sd, |
| struct v4l2_subdev_pad_config *cfg, |
| struct v4l2_subdev_format *format) |
| { |
| struct v4l2_mbus_framefmt *fmt = &format->format; |
| struct imx_device *dev = to_imx_sensor(sd); |
| |
| if (format->pad) |
| return -EINVAL; |
| if (!fmt) |
| return -EINVAL; |
| |
| mutex_lock(&dev->input_lock); |
| fmt->width = dev->curr_res_table[dev->fmt_idx].width; |
| fmt->height = dev->curr_res_table[dev->fmt_idx].height; |
| fmt->code = dev->format.code; |
| mutex_unlock(&dev->input_lock); |
| return 0; |
| } |
| |
| static int imx_detect(struct i2c_client *client, u16 *id, u8 *revision) |
| { |
| struct i2c_adapter *adapter = client->adapter; |
| |
| /* i2c check */ |
| if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) |
| return -ENODEV; |
| |
| /* check sensor chip ID */ |
| if (imx_read_reg(client, IMX_16BIT, IMX132_175_208_219_CHIP_ID, id)) { |
| v4l2_err(client, "sensor_id = 0x%x\n", *id); |
| return -ENODEV; |
| } |
| |
| if (*id == IMX132_ID || *id == IMX175_ID || |
| *id == IMX208_ID || *id == IMX219_ID) |
| goto found; |
| |
| if (imx_read_reg(client, IMX_16BIT, IMX134_135_227_CHIP_ID, id)) { |
| v4l2_err(client, "sensor_id = 0x%x\n", *id); |
| return -ENODEV; |
| } |
| if (*id != IMX134_ID && *id != IMX135_ID && *id != IMX227_ID) { |
| v4l2_err(client, "no imx sensor found\n"); |
| return -ENODEV; |
| } |
| found: |
| v4l2_info(client, "sensor_id = 0x%x\n", *id); |
| |
| /* TODO - need to be updated */ |
| *revision = 0; |
| |
| return 0; |
| } |
| |
| static void __imx_print_timing(struct v4l2_subdev *sd) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| u16 width = dev->curr_res_table[dev->fmt_idx].width; |
| u16 height = dev->curr_res_table[dev->fmt_idx].height; |
| |
| dev_dbg(&client->dev, "Dump imx timing in stream on:\n"); |
| dev_dbg(&client->dev, "width: %d:\n", width); |
| dev_dbg(&client->dev, "height: %d:\n", height); |
| dev_dbg(&client->dev, "pixels_per_line: %d:\n", dev->pixels_per_line); |
| dev_dbg(&client->dev, "line per frame: %d:\n", dev->lines_per_frame); |
| dev_dbg(&client->dev, "pix freq: %d:\n", dev->vt_pix_clk_freq_mhz); |
| dev_dbg(&client->dev, "init fps: %d:\n", dev->vt_pix_clk_freq_mhz / |
| dev->pixels_per_line / dev->lines_per_frame); |
| dev_dbg(&client->dev, "HBlank: %d nS:\n", |
| 1000 * (dev->pixels_per_line - width) / |
| (dev->vt_pix_clk_freq_mhz / 1000000)); |
| dev_dbg(&client->dev, "VBlank: %d uS:\n", |
| (dev->lines_per_frame - height) * dev->pixels_per_line / |
| (dev->vt_pix_clk_freq_mhz / 1000000)); |
| } |
| |
| /* |
| * imx stream on/off |
| */ |
| static int imx_s_stream(struct v4l2_subdev *sd, int enable) |
| { |
| int ret; |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| struct imx_device *dev = to_imx_sensor(sd); |
| |
| mutex_lock(&dev->input_lock); |
| if (enable) { |
| /* Noise reduction & dead pixel applied before streaming */ |
| if (dev->fw == NULL) { |
| dev_warn(&client->dev, "No MSR loaded from library"); |
| } else { |
| ret = apply_msr_data(client, dev->fw); |
| if (ret) { |
| mutex_unlock(&dev->input_lock); |
| return ret; |
| } |
| } |
| ret = imx_test_pattern(sd); |
| if (ret) { |
| v4l2_err(client, "Configure test pattern failed.\n"); |
| mutex_unlock(&dev->input_lock); |
| return ret; |
| } |
| __imx_print_timing(sd); |
| ret = imx_write_reg_array(client, imx_streaming); |
| if (ret != 0) { |
| v4l2_err(client, "write_reg_array err\n"); |
| mutex_unlock(&dev->input_lock); |
| return ret; |
| } |
| dev->streaming = 1; |
| if (dev->vcm_driver && dev->vcm_driver->t_focus_abs_init) |
| dev->vcm_driver->t_focus_abs_init(sd); |
| } else { |
| ret = imx_write_reg_array(client, imx_soft_standby); |
| if (ret != 0) { |
| v4l2_err(client, "write_reg_array err\n"); |
| mutex_unlock(&dev->input_lock); |
| return ret; |
| } |
| dev->streaming = 0; |
| dev->targetfps = 0; |
| } |
| mutex_unlock(&dev->input_lock); |
| |
| return 0; |
| } |
| |
| static int __update_imx_device_settings(struct imx_device *dev, u16 sensor_id) |
| { |
| /* IMX on other platform is not supported yet */ |
| return -EINVAL; |
| } |
| |
| static int imx_s_config(struct v4l2_subdev *sd, |
| int irq, void *pdata) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| u8 sensor_revision; |
| u16 sensor_id; |
| int ret; |
| if (pdata == NULL) |
| return -ENODEV; |
| |
| dev->platform_data = pdata; |
| |
| mutex_lock(&dev->input_lock); |
| |
| if (dev->platform_data->platform_init) { |
| ret = dev->platform_data->platform_init(client); |
| if (ret) { |
| mutex_unlock(&dev->input_lock); |
| dev_err(&client->dev, "imx platform init err\n"); |
| return ret; |
| } |
| } |
| /* |
| * power off the module first. |
| * |
| * As first power on by board have undecided state of power/gpio pins. |
| */ |
| ret = __imx_s_power(sd, 0); |
| if (ret) { |
| v4l2_err(client, "imx power-down err.\n"); |
| mutex_unlock(&dev->input_lock); |
| return ret; |
| } |
| |
| ret = __imx_s_power(sd, 1); |
| if (ret) { |
| v4l2_err(client, "imx power-up err.\n"); |
| mutex_unlock(&dev->input_lock); |
| return ret; |
| } |
| |
| ret = dev->platform_data->csi_cfg(sd, 1); |
| if (ret) |
| goto fail_csi_cfg; |
| |
| /* config & detect sensor */ |
| ret = imx_detect(client, &sensor_id, &sensor_revision); |
| if (ret) { |
| v4l2_err(client, "imx_detect err s_config.\n"); |
| goto fail_detect; |
| } |
| |
| dev->sensor_id = sensor_id; |
| dev->sensor_revision = sensor_revision; |
| |
| /* Resolution settings depend on sensor type and platform */ |
| ret = __update_imx_device_settings(dev, dev->sensor_id); |
| if (ret) |
| goto fail_detect; |
| /* Read sensor's OTP data */ |
| dev->otp_data = dev->otp_driver->otp_read(sd, |
| dev->otp_driver->dev_addr, dev->otp_driver->start_addr, |
| dev->otp_driver->size); |
| |
| /* power off sensor */ |
| ret = __imx_s_power(sd, 0); |
| |
| mutex_unlock(&dev->input_lock); |
| if (ret) |
| v4l2_err(client, "imx power-down err.\n"); |
| |
| return ret; |
| |
| fail_detect: |
| dev->platform_data->csi_cfg(sd, 0); |
| fail_csi_cfg: |
| __imx_s_power(sd, 0); |
| if (dev->platform_data->platform_deinit) |
| dev->platform_data->platform_deinit(); |
| mutex_unlock(&dev->input_lock); |
| dev_err(&client->dev, "sensor power-gating failed\n"); |
| return ret; |
| } |
| |
| static int |
| imx_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, |
| struct v4l2_subdev_mbus_code_enum *code) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| if (code->index >= MAX_FMTS) |
| return -EINVAL; |
| |
| mutex_lock(&dev->input_lock); |
| code->code = dev->format.code; |
| mutex_unlock(&dev->input_lock); |
| return 0; |
| } |
| |
| static int |
| imx_enum_frame_size(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, |
| struct v4l2_subdev_frame_size_enum *fse) |
| { |
| int index = fse->index; |
| struct imx_device *dev = to_imx_sensor(sd); |
| |
| mutex_lock(&dev->input_lock); |
| if (index >= dev->entries_curr_table) { |
| mutex_unlock(&dev->input_lock); |
| return -EINVAL; |
| } |
| |
| fse->min_width = dev->curr_res_table[index].width; |
| fse->min_height = dev->curr_res_table[index].height; |
| fse->max_width = dev->curr_res_table[index].width; |
| fse->max_height = dev->curr_res_table[index].height; |
| mutex_unlock(&dev->input_lock); |
| return 0; |
| } |
| |
| static int |
| imx_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *param) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| |
| mutex_lock(&dev->input_lock); |
| dev->run_mode = param->parm.capture.capturemode; |
| |
| switch (dev->run_mode) { |
| case CI_MODE_VIDEO: |
| dev->curr_res_table = dev->mode_tables->res_video; |
| dev->entries_curr_table = dev->mode_tables->n_res_video; |
| break; |
| case CI_MODE_STILL_CAPTURE: |
| dev->curr_res_table = dev->mode_tables->res_still; |
| dev->entries_curr_table = dev->mode_tables->n_res_still; |
| break; |
| default: |
| dev->curr_res_table = dev->mode_tables->res_preview; |
| dev->entries_curr_table = dev->mode_tables->n_res_preview; |
| } |
| mutex_unlock(&dev->input_lock); |
| return 0; |
| } |
| |
| static int imx_g_frame_interval(struct v4l2_subdev *sd, |
| struct v4l2_subdev_frame_interval *interval) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| |
| mutex_lock(&dev->input_lock); |
| interval->interval.denominator = dev->fps; |
| interval->interval.numerator = 1; |
| mutex_unlock(&dev->input_lock); |
| return 0; |
| } |
| |
| static int __imx_s_frame_interval(struct v4l2_subdev *sd, |
| struct v4l2_subdev_frame_interval *interval) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| const struct imx_resolution *res = |
| &dev->curr_res_table[dev->fmt_idx]; |
| struct camera_mipi_info *imx_info = NULL; |
| unsigned short pixels_per_line; |
| unsigned short lines_per_frame; |
| unsigned int fps_index; |
| int fps; |
| int ret = 0; |
| |
| |
| imx_info = v4l2_get_subdev_hostdata(sd); |
| if (imx_info == NULL) |
| return -EINVAL; |
| |
| if (!interval->interval.numerator) |
| interval->interval.numerator = 1; |
| |
| fps = interval->interval.denominator / interval->interval.numerator; |
| |
| if (!fps) |
| return -EINVAL; |
| |
| dev->targetfps = fps; |
| /* No need to proceed further if we are not streaming */ |
| if (!dev->streaming) |
| return 0; |
| |
| /* Ignore if we are already using the required FPS. */ |
| if (fps == dev->fps) |
| return 0; |
| |
| /* |
| * Start here, sensor is already streaming, so adjust fps dynamically |
| */ |
| fps_index = __imx_above_nearest_fps_index(fps, res->fps_options); |
| if (fps > res->fps_options[fps_index].fps) { |
| /* |
| * if does not have high fps setting, not support increase fps |
| * by adjust lines per frame. |
| */ |
| dev_err(&client->dev, "Could not support fps: %d.\n", fps); |
| return -EINVAL; |
| } |
| |
| if (res->fps_options[fps_index].regs && |
| res->fps_options[fps_index].regs != dev->regs) { |
| /* |
| * if need a new setting, but the new setting has difference |
| * with current setting, not use this one, as may have |
| * unexpected result, e.g. PLL, IQ. |
| */ |
| dev_dbg(&client->dev, |
| "Sensor is streaming, not apply new sensor setting\n"); |
| if (fps > res->fps_options[dev->fps_index].fps) { |
| /* |
| * Does not support increase fps based on low fps |
| * setting, as the high fps setting could not be used, |
| * and fps requested is above current setting fps. |
| */ |
| dev_warn(&client->dev, |
| "Could not support fps: %d, keep current: %d.\n", |
| fps, dev->fps); |
| return 0; |
| } |
| } else { |
| dev->fps_index = fps_index; |
| dev->fps = res->fps_options[dev->fps_index].fps; |
| } |
| |
| /* Update the new frametimings based on FPS */ |
| pixels_per_line = res->fps_options[dev->fps_index].pixels_per_line; |
| lines_per_frame = res->fps_options[dev->fps_index].lines_per_frame; |
| |
| if (fps > res->fps_options[fps_index].fps) { |
| /* |
| * if does not have high fps setting, not support increase fps |
| * by adjust lines per frame. |
| */ |
| dev_warn(&client->dev, "Could not support fps: %d. Use:%d.\n", |
| fps, res->fps_options[fps_index].fps); |
| goto done; |
| } |
| |
| /* if the new setting does not match exactly */ |
| if (dev->fps != fps) { |
| #define MAX_LINES_PER_FRAME 0xffff |
| dev_dbg(&client->dev, "adjusting fps using lines_per_frame\n"); |
| /* |
| * FIXME! |
| * 1: check DS on max value of lines_per_frame |
| * 2: consider use pixel per line for more range? |
| */ |
| if (dev->lines_per_frame * dev->fps / fps > |
| MAX_LINES_PER_FRAME) { |
| dev_warn(&client->dev, |
| "adjust lines_per_frame out of range, try to use max value.\n"); |
| lines_per_frame = MAX_LINES_PER_FRAME; |
| } else { |
| lines_per_frame = lines_per_frame * dev->fps / fps; |
| } |
| } |
| done: |
| /* Update the new frametimings based on FPS */ |
| dev->pixels_per_line = pixels_per_line; |
| dev->lines_per_frame = lines_per_frame; |
| |
| /* Update the new values so that user side knows the current settings */ |
| ret = __imx_update_exposure_timing(client, |
| dev->coarse_itg, dev->pixels_per_line, dev->lines_per_frame); |
| if (ret) |
| return ret; |
| |
| dev->fps = fps; |
| |
| ret = imx_get_intg_factor(client, imx_info, dev->regs); |
| if (ret) |
| return ret; |
| |
| interval->interval.denominator = res->fps_options[dev->fps_index].fps; |
| interval->interval.numerator = 1; |
| __imx_print_timing(sd); |
| |
| return ret; |
| } |
| |
| static int imx_s_frame_interval(struct v4l2_subdev *sd, |
| struct v4l2_subdev_frame_interval *interval) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| int ret; |
| |
| mutex_lock(&dev->input_lock); |
| ret = __imx_s_frame_interval(sd, interval); |
| mutex_unlock(&dev->input_lock); |
| |
| return ret; |
| } |
| static int imx_g_skip_frames(struct v4l2_subdev *sd, u32 *frames) |
| { |
| struct imx_device *dev = to_imx_sensor(sd); |
| |
| mutex_lock(&dev->input_lock); |
| *frames = dev->curr_res_table[dev->fmt_idx].skip_frames; |
| mutex_unlock(&dev->input_lock); |
| |
| return 0; |
| } |
| |
| static const struct v4l2_subdev_sensor_ops imx_sensor_ops = { |
| .g_skip_frames = imx_g_skip_frames, |
| }; |
| |
| static const struct v4l2_subdev_video_ops imx_video_ops = { |
| .s_stream = imx_s_stream, |
| .s_parm = imx_s_parm, |
| .g_frame_interval = imx_g_frame_interval, |
| .s_frame_interval = imx_s_frame_interval, |
| }; |
| |
| static const struct v4l2_subdev_core_ops imx_core_ops = { |
| .s_power = imx_s_power, |
| .ioctl = imx_ioctl, |
| .init = imx_init, |
| }; |
| |
| static const struct v4l2_subdev_pad_ops imx_pad_ops = { |
| .enum_mbus_code = imx_enum_mbus_code, |
| .enum_frame_size = imx_enum_frame_size, |
| .get_fmt = imx_get_fmt, |
| .set_fmt = imx_set_fmt, |
| }; |
| |
| static const struct v4l2_subdev_ops imx_ops = { |
| .core = &imx_core_ops, |
| .video = &imx_video_ops, |
| .pad = &imx_pad_ops, |
| .sensor = &imx_sensor_ops, |
| }; |
| |
| static const struct media_entity_operations imx_entity_ops = { |
| .link_setup = NULL, |
| }; |
| |
| static int imx_remove(struct i2c_client *client) |
| { |
| struct v4l2_subdev *sd = i2c_get_clientdata(client); |
| struct imx_device *dev = to_imx_sensor(sd); |
| |
| if (dev->platform_data->platform_deinit) |
| dev->platform_data->platform_deinit(); |
| |
| media_entity_cleanup(&dev->sd.entity); |
| v4l2_ctrl_handler_free(&dev->ctrl_handler); |
| dev->platform_data->csi_cfg(sd, 0); |
| v4l2_device_unregister_subdev(sd); |
| release_msr_list(client, dev->fw); |
| kfree(dev); |
| |
| return 0; |
| } |
| |
| static int __imx_init_ctrl_handler(struct imx_device *dev) |
| { |
| struct v4l2_ctrl_handler *hdl; |
| int i; |
| |
| hdl = &dev->ctrl_handler; |
| |
| v4l2_ctrl_handler_init(&dev->ctrl_handler, ARRAY_SIZE(imx_controls)); |
| |
| for (i = 0; i < ARRAY_SIZE(imx_controls); i++) |
| v4l2_ctrl_new_custom(&dev->ctrl_handler, |
| &imx_controls[i], NULL); |
| |
| dev->pixel_rate = v4l2_ctrl_find(&dev->ctrl_handler, |
| V4L2_CID_PIXEL_RATE); |
| dev->h_blank = v4l2_ctrl_find(&dev->ctrl_handler, |
| V4L2_CID_HBLANK); |
| dev->v_blank = v4l2_ctrl_find(&dev->ctrl_handler, |
| V4L2_CID_VBLANK); |
| dev->link_freq = v4l2_ctrl_find(&dev->ctrl_handler, |
| V4L2_CID_LINK_FREQ); |
| dev->h_flip = v4l2_ctrl_find(&dev->ctrl_handler, |
| V4L2_CID_HFLIP); |
| dev->v_flip = v4l2_ctrl_find(&dev->ctrl_handler, |
| V4L2_CID_VFLIP); |
| dev->tp_mode = v4l2_ctrl_find(&dev->ctrl_handler, |
| V4L2_CID_TEST_PATTERN); |
| dev->tp_r = v4l2_ctrl_find(&dev->ctrl_handler, |
| V4L2_CID_TEST_PATTERN_COLOR_R); |
| dev->tp_gr = v4l2_ctrl_find(&dev->ctrl_handler, |
| V4L2_CID_TEST_PATTERN_COLOR_GR); |
| dev->tp_gb = v4l2_ctrl_find(&dev->ctrl_handler, |
| V4L2_CID_TEST_PATTERN_COLOR_GB); |
| dev->tp_b = v4l2_ctrl_find(&dev->ctrl_handler, |
| V4L2_CID_TEST_PATTERN_COLOR_B); |
| |
| if (dev->ctrl_handler.error || dev->pixel_rate == NULL |
| || dev->h_blank == NULL || dev->v_blank == NULL |
| || dev->h_flip == NULL || dev->v_flip == NULL |
| || dev->link_freq == NULL) { |
| return dev->ctrl_handler.error; |
| } |
| |
| dev->ctrl_handler.lock = &dev->input_lock; |
| dev->sd.ctrl_handler = hdl; |
| v4l2_ctrl_handler_setup(&dev->ctrl_handler); |
| |
| return 0; |
| } |
| |
| static void imx_update_reg_info(struct imx_device *dev) |
| { |
| if (dev->sensor_id == IMX219_ID) { |
| dev->reg_addr = &imx219_addr; |
| dev->param_hold = imx219_param_hold; |
| dev->param_update = imx219_param_update; |
| } else { |
| dev->reg_addr = &imx_addr; |
| dev->param_hold = imx_param_hold; |
| dev->param_update = imx_param_update; |
| } |
| } |
| |
| static int imx_probe(struct i2c_client *client, |
| const struct i2c_device_id *id) |
| { |
| struct imx_device *dev; |
| struct camera_mipi_info *imx_info = NULL; |
| int ret; |
| char *msr_file_name = NULL; |
| |
| /* allocate sensor device & init sub device */ |
| dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
| if (!dev) { |
| v4l2_err(client, "%s: out of memory\n", __func__); |
| return -ENOMEM; |
| } |
| |
| mutex_init(&dev->input_lock); |
| |
| dev->i2c_id = id->driver_data; |
| dev->fmt_idx = 0; |
| dev->sensor_id = IMX_ID_DEFAULT; |
| dev->vcm_driver = &imx_vcms[IMX_ID_DEFAULT]; |
| dev->digital_gain = 256; |
| |
| v4l2_i2c_subdev_init(&(dev->sd), client, &imx_ops); |
| |
| if (client->dev.platform_data) { |
| ret = imx_s_config(&dev->sd, client->irq, |
| client->dev.platform_data); |
| if (ret) |
| goto out_free; |
| } |
| imx_info = v4l2_get_subdev_hostdata(&dev->sd); |
| |
| /* |
| * sd->name is updated with sensor driver name by the v4l2. |
| * change it to sensor name in this case. |
| */ |
| imx_update_reg_info(dev); |
| snprintf(dev->sd.name, sizeof(dev->sd.name), "%s%x %d-%04x", |
| IMX_SUBDEV_PREFIX, dev->sensor_id, |
| i2c_adapter_id(client->adapter), client->addr); |
| |
| ret = __imx_init_ctrl_handler(dev); |
| if (ret) |
| goto out_ctrl_handler_free; |
| |
| dev->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; |
| dev->pad.flags = MEDIA_PAD_FL_SOURCE; |
| dev->format.code = imx_translate_bayer_order( |
| imx_info->raw_bayer_order); |
| dev->sd.entity.ops = &imx_entity_ops; |
| dev->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; |
| |
| ret = media_entity_pads_init(&dev->sd.entity, 1, &dev->pad); |
| if (ret) { |
| imx_remove(client); |
| return ret; |
| } |
| |
| /* Load the Noise reduction, Dead pixel registers from cpf file*/ |
| if (dev->platform_data->msr_file_name != NULL) |
| msr_file_name = dev->platform_data->msr_file_name(); |
| if (msr_file_name) { |
| ret = load_msr_list(client, msr_file_name, &dev->fw); |
| if (ret) { |
| imx_remove(client); |
| return ret; |
| } |
| } else { |
| dev_warn(&client->dev, "Drvb file not present"); |
| } |
| |
| return ret; |
| |
| out_ctrl_handler_free: |
| v4l2_ctrl_handler_free(&dev->ctrl_handler); |
| |
| out_free: |
| v4l2_device_unregister_subdev(&dev->sd); |
| kfree(dev); |
| return ret; |
| } |
| |
| static const struct i2c_device_id imx_ids[] = { |
| {IMX_NAME_175, IMX175_ID}, |
| {IMX_NAME_135, IMX135_ID}, |
| {IMX_NAME_135_FUJI, IMX135_FUJI_ID}, |
| {IMX_NAME_134, IMX134_ID}, |
| {IMX_NAME_132, IMX132_ID}, |
| {IMX_NAME_208, IMX208_ID}, |
| {IMX_NAME_219, IMX219_ID}, |
| {IMX_NAME_227, IMX227_ID}, |
| {} |
| }; |
| |
| MODULE_DEVICE_TABLE(i2c, imx_ids); |
| |
| static struct i2c_driver imx_driver = { |
| .driver = { |
| .name = IMX_DRIVER, |
| }, |
| .probe = imx_probe, |
| .remove = imx_remove, |
| .id_table = imx_ids, |
| }; |
| |
| static __init int init_imx(void) |
| { |
| return i2c_add_driver(&imx_driver); |
| } |
| |
| static __exit void exit_imx(void) |
| { |
| i2c_del_driver(&imx_driver); |
| } |
| |
| module_init(init_imx); |
| module_exit(exit_imx); |
| |
| MODULE_DESCRIPTION("A low-level driver for Sony IMX sensors"); |
| MODULE_AUTHOR("Shenbo Huang <shenbo.huang@intel.com>"); |
| MODULE_LICENSE("GPL"); |
| |